ATMEGA644P-A15MZ Atmel, ATMEGA644P-A15MZ Datasheet - Page 368

• Manufacturer Part Number: ATMEGA644P-A15MZ
• Description: MCU AVR 64KB FLASH 16MHZ 44QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA644P-A15MZ

• Package / Case: 44-VQFN Exposed Pad
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 32
• Eeprom Size: 2K x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 4K x 8
• Program Memory Size: 64KB (64K x 8)
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: I²C, SPI, UART/USART
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

35. Datasheet Revision History
35.1
35.2
35.3
35.4
35.5
35.6
368
Rev. 7674F-AVR-09/09
Rev. 7674E-AVR-02/09
Rev. 7674D-AVR-07/08
Rev. 7674C-AVR-05/08
Rev. 7674B-AVR-01/08
Rev. 7674A-AVR-04/07
ATmega164P/324P/644P
Please note that the referring page numbers in this section are referred to this document. The
referring revision in this section are referring to the document revision.
1. PW packaging information updated
1. Note page 1 is removed: Differential Mode is not recommended above 85°C
2.
3. ADC Characterisitics Differential Channels
4.
1. Added ADC differential mode electrical characteristics for ATMega164.
2. Removed Ramp Z register.
1. VIL reset pin update.
2. Updated EEPROM endurance. See
1. Update to electrical characteristics after product characterization.
1. Initial Automotive revision
2. Insertion of specific § for automative quality references
3. DC and Frequency adapted to Automotive temperature range
4. Part numbering and package selection according to Automotive rules
5. Current Consumption adapted based on Industrial electrical characterization.
Section 2.2.1 “Automotive Quality Grade” on page
Temperature range -40 to +85°C identifier T and Temperature range -40 to +105°C
identifier T1 not supported anymore. Temperature range -40 to +125°C (AEC-Q100
grade1) identifier Z replace all 3 previous ranges (T, T1, Z)
new improvements and removal of temperature limitation.
Section 30. “Ordering Information” on page
Section 30.1 on page
Ordering code T and T1 have been removed for the 3 parts ATmega164P,
ATmega324P, ATmega644P respectively in the 2 package options (Package ML and
PW)
New Part Number change to reflect the new die revision
ATmega164P-A15AZ replaces ATmega164P-15AZ
ATmega164P-A15MZ replaces ATmega164P-15MZ
ATmega324P-A15AZ replaces ATmega324P-15AZ
ATmega324P-A15MZ replaces ATmega324P-15MZ
ATmega644P-A15AZ replaces ATmega644P-15AZ
ATmega644P-A15MZ replaces ATmega644P-15MZ
Section 26.1 on page
363,
Section 30.2 on page 363
“Features” on page
Table 26-9 on page 337
329.
363:
5:
and
1.
Section 30.3 on page
updated to reflect
7674F–AVR–09/09
363: